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Other Current Liabilities - Summary of Other Current Liabilities (Detail) - SEK (kr) kr in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of Other Current Liabilities [line items] |  |
Accrued interest | kr 373 | kr 439
Accrued expenses | 31,377 | 26,294
Derivative liabilities | 3,337 | 1,794
Total | 40,677 | 36,985
Of which employee-related [member] |  |
Disclosure of Other Current Liabilities [line items] |  |
Accrued expenses | 17,869 | 13,440
Of which supplier-related [member] |  |
Disclosure of Other Current Liabilities [line items] |  |
Accrued expenses | 8,592 | 8,009
Of which other [member] |  |
Disclosure of Other Current Liabilities [line items] |  |
Accrued expenses | 4,916 | 4,845
Other [member] |  |
Disclosure of Other Current Liabilities [line items] |  |
Other | kr 5,590 | kr 8,458

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